What storage options are available for the ProBook 450 G3?

The notebook offers multiple storage configurations: up to 500 GB SATA (7200 rpm), up to 1 TB SATA (5400 rpm), 128 GB to 256 GB M.2 SATA TLC SSD, or up to 500 GB SATA SSHD (5400 rpm). An 8 GB flash cache is also available. Up to 30 GB is reserved for system recovery software on Windows 8.1 and 10.